Home / 15,903.60-21,926.28-10,228.20

Finding the Fourth Proportional to 15,903.60, 21,926.28 and 10,228.20

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Solution

The fourth proportional to 15,903.60, 21,926.28 and 10,228.20 is: 14,101.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,903.60 : 21,926.28 = 10,228.20 : x
  2. Step 2: Convert to fraction form
    15,903.60/21,926.28 = 10,228.20/x
  3. Step 3: Cross multiply
    15,903.60x = 21,926.28 × 10,228.20
  4. Step 4: Simplify right side
    15,903.60x = 224,266,377.10
  5. Step 5: Solve for x
    x = 224,266,377.10/15,903.60
  6. Step 6: Final answer
    x = 14,101.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.